Respuesta :

Lilith
[tex]F= k \frac{ m _{1}m _{2}}{r^2} \\ \\ r\neq 0\\ \\ r^2F =k\cdot m _{1}m _{2} / :F \\ \\r^2= \frac{k\cdot m _{1}m _{2} }{F}\\ \\r = \sqrt{\frac{k\cdot m _{1}m _{2} }{F}}[/tex]